A file photo taken July 18, 2002, shows the inside of a pipe bomb device on display at the British Army Base at Ballykinler, County Down, Northern Ireland. The British Army held a demonstration for the media on Friday on the use of pipe bombs.
PHOTO: REUTERS
Reuters on Thursday.
The instructions for such devices are widely available on websites and in propaganda distributed by terror groups such as al Qaeda and Islamic State, said the official and a former federal government bomb expert.
Pipe bombs sent to Trump foes Obama, Clinton, CNN
The federal official also said the designs could have been lifted from "The Anarchist Cookbook," a notorious bomb and hacker manual dating to the early 1970s. There was no claim of responsibility for the spate bombs, none of which exploded.
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